
Important Information
The Tec-On Model “55” is a compact, elegant integrated tube amplifier designed for modern and vintage systems alike. With its Class-A, single-ended EL84 architecture, zero global negative feedback, and integrated USB DAC (Burr-Brown PCM2702), it offers a direct, transparent audio path whether you feed it digitally or via analog sources. Ideal for efficient speakers, it brings a warm yet detailed tube character to both streaming and traditional sources.
BRAND: Tec•On Audio
BARCODE/UPC:
Serial Number: 1076
- Compact multimedia integrated tube amplifier with built-in USB connection and DAC interface (accepts digital input via USB)
- Uses EL84 output tubes (two) and a 5755 tube as the input/driver stage
- Class-A single-ended topology, with no global negative feedback for more “transparent” sound
- USB DAC: it contains a Burr-Brown PCM2702 Δ/Σ (delta‐sigma) 16-bit, 44.1 / 48 kHz converter to let you bypass your computer’s sound card and feed the amp digitally via USB
- RCA line inputs (for CD, tuner, etc.) via analog path; but note when USB is connected, it usually has priority over RCA analog input
- Self-biasing tubes (no user bias adjustment required)
- Accepts loudspeakers rated 4 Ω to 8 Ω
- Recommended speakers: those with relatively high sensitivity (e.g.,≥89 dB/W/m) to better match the lower power output
- Dimensions: approx. 246 mm × 190 mm × 200 mm (L × W × H)
- Net weight: ≈ 8.5 kg
- Power consumption: about 38 W
- Operates on AC mains: factory set for local voltage, supports AC 115 V / 220-230 V ± (50–60 Hz) depending on model version
Shipping Info
Southside Guitars offers FREE standard Australia-wide shipping for orders over $199 and below 5kg. There is also an express option at the check out for most items. Guitars above $2,000 in value ship via courier for free Australia-wide.
Preloved items typically ship same day or within 72 hours.
Condition & Warranty
This preloved product has been carefully tested when purchased and again before it’s shipped to you, so you can shop with confidence. Each item comes with a 3-month electrical warranty and a 6-month structural warranty, excluding accidental damage, misuse or broken strings. Click here to view our full refund policy.