“Superior Sound Supply offers a rare, factory‑matched set of five NOS GE 12BH7A grey‑plate O‑getter tubes from 1961, all with identical date codes and original boxes—ideal for high‑end amp restorations and serious collectors.”
Technical Specifications
• Brand: General Electric (GE)
• Model: 12BH7A
• Type: Dual triode preamp/driver tube
• Plate Construction: Grey ladder plates
• Getter Type: Top O‑getter (halo)
• Date Codes: 61‑48 (48th week of 1961), factory code 188‑5
• Country of Origin: USA
• Testing: Precision 612; all tubes pass shorts, leakage, grid emission; strong and balanced in the high 90%
- 92% 94%
- 94% 95%
- 96% 97%
- 94% 94%
- 96% 98%
Condition
• True NOS: clear glass, clean pins, strong white print.
• Original GE orange/white boxes with light shelf wear only.
• Identical date and factory codes confirm an original matched production batch.
Context & Applications
• Medium‑mu twin triode with higher current capability than a 12AU7.
• Early‑1960s GE grey‑plate halo‑getter variant valued for reliability and warm, authoritative tone.
• Excellent as driver tubes in classic Ampeg SVT, select McIntosh gear, and custom hi‑fi builds.
Superior Sound Supply Guarantee
• Transparency and accurate testing on every listing.
• If you are not satisfied with your purchase, we will work with you to make it right.
Shipping & Returns (keep brief in every listing)
• Fast, secure shipping via USPS; FedEx available for larger or high‑value orders.
• Ships within 1–3 business days; no weekend or holiday shipping.
• 30‑day return window; items must be returned in original, as‑shipped condition. Some items may be sold “As‑Described”—always check the listing’s return section.
| Listed | 5 months ago |
|---|---|
| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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