Audio Tubes
RF Parts Company has good selection of Vintage Audio tubes from Various manufacturers in USA and Overseas. Please check with Sales Staff if you do not see what you are looking for on website. We have many Vintage tubes available and can do our best to see if in our stock. Thanks.
Tube Basics & Questions? See Here
Please choose from the following AUDIO TUBES Sub-Catagory choices:
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6L6GC Zenith Black Plate Beam Power Amplifier Tube (NOS)
In Stock
The 6L6GC is a beam power pentode primarily designed for use in audio-frequency power amplifier applications. Features of this tube include high power output capabilities, high plate and screen dissipation ratings, high efficiency, high power sensativity, and low distortion.
The higher ratings of the 6L6GC are advantageous when greater power handling capability is required.
New Old Stock * No longer available for export.
MFR: Zenith
SKU: 6L6GC-BP-Zenith
5881 Tung-Sol Beam Power Amplifier Tube (NOS/NIB)
In Stock
5881 Tung-Sol Beam Power Amplifier Tube (NOS)
New Old Stock * No longer available for export
MFR: Tung-Sol - Made in USA
SKU: 5881-TUNG-USA
6L6GB Tung-Sol Beam Power Amplifier Tube (NOS)
In Stock
The 6L6GB is a beam pentode designed primarily for use in audio-frequency power amplifier applications
where relatively large power outputs are required.
New Old Stock
MFR: Tung-Sol
SKU: 6L6GB-TS
6L6WGB / 5881 Sylvania Tube, Beam Power Amplifier (NOS)
In Stock
- Mil-Spec version in original box. Green Stamp.
- NSN: 5960-00-262-0161
New Old Stock * No longer available for export
MFR: Sylvania
SKU: 6L6WGB-SYL
6L6GC RCA Black Plate Beam Power Amplifier Tube (NOS)
In Stock
The RCA 6L6GC black plate is one of the most sought after power tubes for great audio.
New Old Stock * No longer available for export
MFR: RCA
Made in U.S.A.
SKU: 6L6GC-BLKPLATE-RCA
5881 Tung-Sol Beam Power Amplifier Tube (NOS/NIB)
In Stock
New production.
No longer available for export
MFR: Tung-Sol, Russia
SKU: 5881-TUNG
6L6GC RCA Black Plate Beam Power Amplifier Tube (LHP)
In Stock
The 6L6GC is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers.
They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.
Low Hour Pull * No longer available for export
MFR: RCA
SKU: 6L6GC-BP-RCA-LHP
5881 GE Electron Tube (Pull)
In Stock
The 6L6WGB / 5881 is the electrical equivalent to types 6L6 and 6L6GC except that the plate and screen dissipation ratings have been increased approximately 20 percent. It embodies a complete mechanical redesign which results in greater resistance to shock and vibration. The use of treated grids and anode greatly increases its overload capabilities and thereby provides desirable improvement in continuity of service. The addition of a low-loss barrier type base will provide obvious advantages in certain applications.
Used, Excellent condition * No longer available for export
MFR: GE, Canada
SKU: 5881-GE-P
5881 Sylvania Beam Power Amplifier Tube Matched Quad (4) (NOS/NIB)
In Stock
- Mil-Spec version in original box. Matched Quad (4 tubes - Matched)
- Latre 1979 to Early 1980 Production
- NSN: 5960-00-996-6898
- Can Replace 6L6WGB
New Old Stock Not For Export
MFR: Sylvania
SKU: 5881-MQ
7581A General Electric Beam Pentode AF Power-Amplifier (NOS/NIB)
In Stock
- NSN #: 5960-00-728-1434
- Can replace KT66
- Size: 3.25" High from base bottom to top of Glass envelope, 1.5" diameter
New Old Stock * New In Box * No longer available for export
MFR: General Electric Company
SKU: 7581A-GE