The Hafler DH-101 is a no-nonsense vintage preamp that quietly delivers everything you actually need—and nothing you don’t. It’s got that classic late-’70s/early-’80s vibe: straightforward controls, a surprisingly capable built-in phono stage, and a sound that leans clean, slightly warm, and easy to live with. It doesn’t try to wow you with flash or hyper-detail—instead, it keeps things balanced and musical, letting your source and amp do their thing without getting in the way. Pair it with something like a DH-200 and you’ve got a system that just works—reliable, unfussy, and way more enjoyable than it has any right to be.
- Production
- 1978-1979
- Condition
- 9/10
- Serial No.
- 1125808
- Orig. MSRP
- $200 (kit) / $300 (assembled)
- Restoration
- Verified inputs, EQ, switches and pots
- Tests well for gain and THD+N
- Cleaned and lubricated all pots and switches
- Factory Specs
Frequency Response: 10 Hz to 100 kHz
Total Harmonic Distortion (THD): \(<0.0006\%\) at 1 kHz and 3V output
Signal to Noise Ratio (Hum & Noise): 86 dB below 10 mV input (A-weighted)
Phono Overload: 180 mV at 1 kHz; 1.8 V at 20 kHz
Gain: 34 dB at 1 kHz (Phono)
Input Impedance: 47 k\(\Omega \) parallel with 250 pF
Rated Output: 3 V (10 Hz - 100 kHz)
Tone Controls: Bass \(\pm 12\) dB @ 50 Hz; Treble \(\pm 10\) dB @ 20 kHz
Circuitry: Discrete transistors (no integrated circuits), dual-mono power supply
Inputs: 2 x Phono, 2 x Tape, 2 x Aux
Dimensions: 13.8" W × 3.2" H × 8.5" D
Weight: 7.9 lbs
- Packing
- Prepare to be impressed. We have arguably the best packing process around. We use our InstaPak machine and white open cell foam to build a custom enclosure for your piece that ensures that it's stable and secure. If it is particularly fragile or heavy, we typically opt for private courier delivery. Depending on where you are in the country, that may cost a bit extra.
- Shipping
- This piece ships to the contiguous United States for a flat rate of $50, which includes our packaging and our insurance. Of course, we'll ship anywhere in the world, just drop us a line and we'll give you an estimate – even if you're just curious.
- Stock No.
- 9485231915229
The Hafler DH-101 is a no-nonsense vintage preamp that quietly delivers everything you actually need—and nothing you don’t. It’s got that classic late-’70s/early-’80s vibe: straightforward controls, a surprisingly capable built-in phono stage, and a sound that leans clean, slightly warm, and easy to live with. It doesn’t try to wow you with flash or hyper-detail—instead, it keeps things balanced and musical, letting your source and amp do their thing without getting in the way. Pair it with something like a DH-200 and you’ve got a system that just works—reliable, unfussy, and way more enjoyable than it has any right to be.
Production
1978-1979
Condition
9/10
Serial No.
1125808
Orig. MSRP
$200 (kit) / $300 (assembled)
Restoration
- Verified inputs, EQ, switches and pots
- Tests well for gain and THD+N
- Cleaned and lubricated all pots and switches
Factory Specs
Frequency Response: 10 Hz to 100 kHz
Total Harmonic Distortion (THD): \(<0.0006\%\) at 1 kHz and 3V output
Signal to Noise Ratio (Hum & Noise): 86 dB below 10 mV input (A-weighted)
Phono Overload: 180 mV at 1 kHz; 1.8 V at 20 kHz
Gain: 34 dB at 1 kHz (Phono)
Input Impedance: 47 k\(\Omega \) parallel with 250 pF
Rated Output: 3 V (10 Hz - 100 kHz)
Tone Controls: Bass \(\pm 12\) dB @ 50 Hz; Treble \(\pm 10\) dB @ 20 kHz
Circuitry: Discrete transistors (no integrated circuits), dual-mono power supply
Inputs: 2 x Phono, 2 x Tape, 2 x Aux
Dimensions: 13.8" W × 3.2" H × 8.5" D
Weight: 7.9 lbs
Packing
Prepare to be impressed. We have arguably the best packing process around. We use our InstaPak machine and white open cell foam to build a custom enclosure for your piece that ensures that it's stable and secure. If it is particularly fragile or heavy, we typically opt for private courier delivery. Depending on where you are in the country, that may cost a bit extra.
Shipping
This piece ships to the contiguous United States for a flat rate of $50, which includes our packaging and our insurance. Of course, we'll ship anywhere in the world, just drop us a line and we'll give you an estimate – even if you're just curious.
Stock No.
9485231915229
