The Jim '81 amp offers very unique specifications, combining rich features, low weight, high reliability and awesome sounding.

Two legendary amps inside the Jim '81

Two independant channels inspired by Fender* Blackface and Marshall JCM800* amps, adjustable output power up to 100W, an effect loop, a DI output with Cabinet Simulator, lightweight. These make the Jim '81 a totally unique guitar amplifier.

  • 1U rackmount enclosure, only 2kg / 4.4lbs
  • 2 channels
  • Adjustable output power from 0 up to 100W
  • Effects loop
  • DI output with speaker cabinet simulator
  • Heptode proprietary analog technology
  • High end Class D audio amplifier
  • Leo: simulates a Fender* Blackface amp
  • Jim: simulates a Marshall JCM800 2203* amp
Controls (Leo channel)
  • Volume
  • Bass, Middle, Treble
  • Power level (0 to max power)
Controls (Jim Channel)
  • Preamp Volume
  • Master Volume
  • Bass, Middle, Treble
  • Presence
  • Power level (0 to max power)
Other controls
  • Leo/Jim channel switch
  • Low/Full (15W/100W) max output power
  • Cabsim on/off switch
  • Ground lift switch for DI XLR output
  • 2 Guitar inputs (front/rear panels)
  • 2 Speaker outputs (4Ω minimum)
  • 1 Footswitch input (channel selection)
  • 1 Send output / 1 Return input (effects loop, +4dBU)
  • 1 Line Out ouput (Jack)
  • 1 DI ouput (XLR)
  • Mains input : 115V or 230V (please specify), 50/60Hz
Output Power
  • Max output power: 100W @ 4Ω; 50W @ 8Ω; 25W @ 16
Dimension and weight
  • 48 x 4.4 x 22 cm, 2.0 kg  - 18.9" x 1.6" x 8.7", 4.4 lbs

Heptode amps carry a 3 years limited warranty.

Product Specs

Brand New (New)
Jim '81 Rackmount 100W Guitar Amp Head
Guitar Heads
Made In


About The Seller

Joined May 2014
Orsay, France


Accepted Payment Methods

Shipping Policy

Available for local pickup from Orsay, France

Ships from Orsay, France to:

United States
Europe (Non-EU)
European Union
Everywhere Else

Tax Policies

This seller doesn't charge tax on their sales.

Return Policy

Return Window

This product can be returned within 14 days of receipt.

General Terms

Items must be returned in original, as-shipped condition with all original packaging and no signs of use. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.


Buyer receives a full refund in their original payment method less any shipping costs.

Message Seller

Accepted Payment Methods

Credit Card
Reverb Bucks


Orsay, France
Joined: May 2014

Seller Achievements

Heptode Jim '81 Rackmount 100W Guitar Amp Head
+ Free Shipping