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About This Listing
OFF THE BAT This combo powers up, though once or twice has had power failures. That is not the main issue with this amplifier though. The Red Channel has a 20db drop in volume compared to the Green Channel all across the volume spectrum. There might be a relation between it and the VariCab processor as it too does not operate to spec when engaged with either channel and creates a 60 cycle hum when engaged.
This amp is being sold AS-IS, in semi-working condition, and it is highly suggested that the purchaser intend to repair or have it repaired by a qualified technician. Schematic sheets will be included with the amp.
THE AMP Two totally independent channels, each with its own VOICING, DRIVE, EQ, VARIABLE BOOST, REVERB MIX, and MASTER VOLUME. Green channel features two tube voices: CLEAN and CRUNCH. Red channel features four tube voices: VINTAGE, BROWN, GRIND, and LEAD. Two low-noise 12AX7A tubes for rich harmonics and overdrive. Warm, dense 3-spring reverb with an independent mix control for each channel. VARIABLE BOOST function in each channel allows for just the right amount of volume boost to kick in on stage. NOISE GATE with adjustable threshold for ultra-quiet operation. PRESENCE control to dial in the overall brilliance of the amp. Power: 70W RMS into 8 ohms EXTERNAL SPEAKER jack to drive an additional cabinet. RECORDING OUT jack with speaker-emulation to go direct to P.A./tape. ADA's exclusive VariCAB™ circuitry to emulate various speaker and cabinet configurations. THUMP Control (low frequency resonance) and HI-CUT controls to further tweak in the sound of your cabinet.
CONNECTIONS TO THE AMP REFER TO THE CENTER SPREAD FOR JACK LOCATIONS INPUT - Guitar input jack accepts passive or active pick-up instrument-level signals. FOOTSWITCH - Footswitch jack for the ADA four-button footswitch (more on that shortly) RECORDING OUT - Line level recording output jack for connecting to the input of a mixer, P. A. or multi-track recorder. The signal features speaker-emulation selected by the front-panel VariCAB. The level is controlled by the MASTER volume of each channel and is live even in STANDBY mode, allowing for silent recording. EFFECTS SEND - Preamp section output jack for connecting to a line-level effects unit. The top panel controls, including REVERB, VariCAB, and NOISE GATE, are sent to this output. Slaving an additional power amp for more power on stage is possible since the signal to the internal power amp is not interrupted when a cord is inserted into this jack. EFFECTS RETURN - Line level input jack usually used to "return" the output of an effects unit. Plugging into the EFFECTS RETURN jack interrupts the signal from the preamp section, allowing a direct patch to the power amp. EXTERNAL SPEAKER - Power amp output jack for using an external cabinet in parallel with the internal speaker(s). Only a cabinet with an impedance equal to or higher than 8-ohms is recommended. A 16-ohm cabinet will not be as loud as an 8-ohm cabinet. Internal speaker(s) cannot be defeated.
CONTROLS AND FUNCTIONS
CHANNEL SELECT - Channel and Boost selector switches for instant switching. Corresponds to the 4 buttons on the footswitch. The 4 buttons are: 1. GREEN CHANNEL 2. GREEN CHANNEL W/ BOOST 3. RED CHANNEL 4. RED CHANNEL W/ BOOST H. VOICING Selects the tube voice to be used in that channel. Instantly changes the tube preamp circuitry for radically different tones. DRIVE - Controls the amount of tube preamp gain in the channel. Turn up for more tube compression, overdrive, and harmonics. Turn down for more dynamic range, Note definition, and cleaner tone. The DRIVE controls and the MASTER VOLUME - Controls work in tandem and complement each other. With the DRIVE turned up, the MASTER should be turned down to compensate for the volume increase. When turning up the MASTER to stage volume, lowering the preamp DRIVE often cuts through the mix better and provides a more dynamic feel. BASS - Controls the amount of bottom end in the channel. Generally, more bass is needed when playing at lower volumes and less is needed at stage volumes. MID - Controls the amount of mid-range in the channel. This control provides more range than standard "vintage" mid controls. For a clean voice, turning the MID down gets a cleaner, more shimmery tone, a must for humbucking pickups. Turning the MID up gets a more honky, round tone. For a distorted voice, turning the MID down gets a sucked-out thrash sound, and turning it up gets a fat, roaring tone. Note that turning up the MID control will affect the bass and treble control ranges, (see note below). TREBLE - Controls the amount of highs in the channel. Turn it up for more shimmer and sizzle, turn down for a mellower, rounder tone. NOTE: The two sets of tone controls in the RED and GREEN channels are voiced differently to better complement their respective channels. Also the above tone controls are interactive, like most vintage amps, so that turning one control affects the response and range of the other two. It may take a little more time to tweak in tones, but these controls allow for more diverse tone shaping than simple additive tone controls. MASTER - Controls the overall volume for the channel, the level at the EFFECTS SEND jack, and the speaker(s) volume. Also see DRIVE. BOOST - Controls the amount of additional volume that kicks in when the BOOST is engaged in that channel. REVERB MIX - Controls the amount of reverb added to the dry signal prior to the EFFECTS Loops. NOISE GATE - Sets the threshold at which the noise gate mutes the signal. The noise gate analyzes the guitar input signal before the preamp, and mutes the output of the preamp, but before the reverb, eliminating noise when not playing. The noisier the guitar input (single-coil hum, high output pickups, noisy stage lighting, etc.), the higher the Noise Gate must be set. The Noise Gate is not available for GREEN channel when set to the CLEAN voice because it is not needed in this configuration. To turn off the Noise Gate set the control to 0. PRESENCE - Controls the amount of upper mid frequencies for both channels. POWER SWITCH - Applies AC power to the amp. When powering up, push this switch on first, then the STANDBY SWITCH. When powering down, push the STANDBY switch off first, then the POWER switch. STANDBY SWITCH - Mutes the output while the tubes are warming up. Can also be used for silent recording. VariCAB™ - A proprietary ADA feature providing an additional level of versatility to combo amplifiers by allowing a small combo package to emulate the tonal complexity of much larger speaker and cabinet configurations. It is particularly effective for recording direct with the RECORDINGOUT jack. EMULATION - Selects one of the four speaker cabinet emulation modes. DARK/BRIGHT Selects the tonality of the speaker used in the emulation. THUMP Controls amount of cabinet low frequency resonance. Increasing the Thump emulates a larger cabinet and simulates a close-miking effect. HI-CUT Controls the brightness of the cabinet. Simulates speaker type and aging, as well as mike location and placement angle.
THE OUTLIERS THE SPEAKER - The speaker seems to have been replaced in this amp to a Carvin 'British Series' 8 ohm/100 watt driver at some point from its OEM Celestion.
THE "PROTO" 'SNAKE CHARMER' SWITCH PEDAL - It's written on a piece of white tape in black ink on this barely built pedal, "SNAKE CHARMER PROTO 3-29-95", with each button labeled for function. There is a 1/4 inch TRS jack for plugging it into the FOOTSWITCH input on the amp. (cable not included, sorry). Is it a real prototype from the guys that built these back in the day? Seems so, but I can't verify it.
As stated previously, this amp is BARELY FUNCTIONAL. It is recommended that the buyer either have electronic experience or remand the amp to a qualified technician for repair. It is a wonderful piece of music history that deserves to live on, which is why I'm passing it on. I don't have the time or finances any longer to deal with it and it deserves a much better life. Reasonable offers will be considered, so play fair. But this needs a good home. Thanks for looking. : )
ADA Viper 1x12 Combo - - PARTIALLY WORKING - NEEDS REPAIR - - 1995
$300
$300
About This Listing
OFF THE BAT This combo powers up, though once or twice has had power failures. That is not the main issue with this amplifier though. The Red Channel has a 20db drop in volume compared to the Green Channel all across the volume spectrum. There might be a relation between it and the VariCab processor as it too does not operate to spec when engaged with either channel and creates a 60 cycle hum when engaged.
This amp is being sold AS-IS, in semi-working condition, and it is highly suggested that the purchaser intend to repair or have it repaired by a qualified technician. Schematic sheets will be included with the amp.
THE AMP Two totally independent channels, each with its own VOICING, DRIVE, EQ, VARIABLE BOOST, REVERB MIX, and MASTER VOLUME. Green channel features two tube voices: CLEAN and CRUNCH. Red channel features four tube voices: VINTAGE, BROWN, GRIND, and LEAD. Two low-noise 12AX7A tubes for rich harmonics and overdrive. Warm, dense 3-spring reverb with an independent mix control for each channel. VARIABLE BOOST function in each channel allows for just the right amount of volume boost to kick in on stage. NOISE GATE with adjustable threshold for ultra-quiet operation. PRESENCE control to dial in the overall brilliance of the amp. Power: 70W RMS into 8 ohms EXTERNAL SPEAKER jack to drive an additional cabinet. RECORDING OUT jack with speaker-emulation to go direct to P.A./tape. ADA's exclusive VariCAB™ circuitry to emulate various speaker and cabinet configurations. THUMP Control (low frequency resonance) and HI-CUT controls to further tweak in the sound of your cabinet.
CONNECTIONS TO THE AMP REFER TO THE CENTER SPREAD FOR JACK LOCATIONS INPUT - Guitar input jack accepts passive or active pick-up instrument-level signals. FOOTSWITCH - Footswitch jack for the ADA four-button footswitch (more on that shortly) RECORDING OUT - Line level recording output jack for connecting to the input of a mixer, P. A. or multi-track recorder. The signal features speaker-emulation selected by the front-panel VariCAB. The level is controlled by the MASTER volume of each channel and is live even in STANDBY mode, allowing for silent recording. EFFECTS SEND - Preamp section output jack for connecting to a line-level effects unit. The top panel controls, including REVERB, VariCAB, and NOISE GATE, are sent to this output. Slaving an additional power amp for more power on stage is possible since the signal to the internal power amp is not interrupted when a cord is inserted into this jack. EFFECTS RETURN - Line level input jack usually used to "return" the output of an effects unit. Plugging into the EFFECTS RETURN jack interrupts the signal from the preamp section, allowing a direct patch to the power amp. EXTERNAL SPEAKER - Power amp output jack for using an external cabinet in parallel with the internal speaker(s). Only a cabinet with an impedance equal to or higher than 8-ohms is recommended. A 16-ohm cabinet will not be as loud as an 8-ohm cabinet. Internal speaker(s) cannot be defeated.
CONTROLS AND FUNCTIONS
CHANNEL SELECT - Channel and Boost selector switches for instant switching. Corresponds to the 4 buttons on the footswitch. The 4 buttons are: 1. GREEN CHANNEL 2. GREEN CHANNEL W/ BOOST 3. RED CHANNEL 4. RED CHANNEL W/ BOOST H. VOICING Selects the tube voice to be used in that channel. Instantly changes the tube preamp circuitry for radically different tones. DRIVE - Controls the amount of tube preamp gain in the channel. Turn up for more tube compression, overdrive, and harmonics. Turn down for more dynamic range, Note definition, and cleaner tone. The DRIVE controls and the MASTER VOLUME - Controls work in tandem and complement each other. With the DRIVE turned up, the MASTER should be turned down to compensate for the volume increase. When turning up the MASTER to stage volume, lowering the preamp DRIVE often cuts through the mix better and provides a more dynamic feel. BASS - Controls the amount of bottom end in the channel. Generally, more bass is needed when playing at lower volumes and less is needed at stage volumes. MID - Controls the amount of mid-range in the channel. This control provides more range than standard "vintage" mid controls. For a clean voice, turning the MID down gets a cleaner, more shimmery tone, a must for humbucking pickups. Turning the MID up gets a more honky, round tone. For a distorted voice, turning the MID down gets a sucked-out thrash sound, and turning it up gets a fat, roaring tone. Note that turning up the MID control will affect the bass and treble control ranges, (see note below). TREBLE - Controls the amount of highs in the channel. Turn it up for more shimmer and sizzle, turn down for a mellower, rounder tone. NOTE: The two sets of tone controls in the RED and GREEN channels are voiced differently to better complement their respective channels. Also the above tone controls are interactive, like most vintage amps, so that turning one control affects the response and range of the other two. It may take a little more time to tweak in tones, but these controls allow for more diverse tone shaping than simple additive tone controls. MASTER - Controls the overall volume for the channel, the level at the EFFECTS SEND jack, and the speaker(s) volume. Also see DRIVE. BOOST - Controls the amount of additional volume that kicks in when the BOOST is engaged in that channel. REVERB MIX - Controls the amount of reverb added to the dry signal prior to the EFFECTS Loops. NOISE GATE - Sets the threshold at which the noise gate mutes the signal. The noise gate analyzes the guitar input signal before the preamp, and mutes the output of the preamp, but before the reverb, eliminating noise when not playing. The noisier the guitar input (single-coil hum, high output pickups, noisy stage lighting, etc.), the higher the Noise Gate must be set. The Noise Gate is not available for GREEN channel when set to the CLEAN voice because it is not needed in this configuration. To turn off the Noise Gate set the control to 0. PRESENCE - Controls the amount of upper mid frequencies for both channels. POWER SWITCH - Applies AC power to the amp. When powering up, push this switch on first, then the STANDBY SWITCH. When powering down, push the STANDBY switch off first, then the POWER switch. STANDBY SWITCH - Mutes the output while the tubes are warming up. Can also be used for silent recording. VariCAB™ - A proprietary ADA feature providing an additional level of versatility to combo amplifiers by allowing a small combo package to emulate the tonal complexity of much larger speaker and cabinet configurations. It is particularly effective for recording direct with the RECORDINGOUT jack. EMULATION - Selects one of the four speaker cabinet emulation modes. DARK/BRIGHT Selects the tonality of the speaker used in the emulation. THUMP Controls amount of cabinet low frequency resonance. Increasing the Thump emulates a larger cabinet and simulates a close-miking effect. HI-CUT Controls the brightness of the cabinet. Simulates speaker type and aging, as well as mike location and placement angle.
THE OUTLIERS THE SPEAKER - The speaker seems to have been replaced in this amp to a Carvin 'British Series' 8 ohm/100 watt driver at some point from its OEM Celestion.
THE "PROTO" 'SNAKE CHARMER' SWITCH PEDAL - It's written on a piece of white tape in black ink on this barely built pedal, "SNAKE CHARMER PROTO 3-29-95", with each button labeled for function. There is a 1/4 inch TRS jack for plugging it into the FOOTSWITCH input on the amp. (cable not included, sorry). Is it a real prototype from the guys that built these back in the day? Seems so, but I can't verify it.
As stated previously, this amp is BARELY FUNCTIONAL. It is recommended that the buyer either have electronic experience or remand the amp to a qualified technician for repair. It is a wonderful piece of music history that deserves to live on, which is why I'm passing it on. I don't have the time or finances any longer to deal with it and it deserves a much better life. Reasonable offers will be considered, so play fair. But this needs a good home. Thanks for looking. : )
