TEAC HA-501 Headphone Amplifier

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From £700.00 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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Full-Analogue Dual Monaural Headphone Amplifier

Everything is designed to maximize headphone potential.

  • A lavishing Class-A Amplifier for superior sound quality. (Full-analog Dual Monaural Discrete design)
  • Active DC Servo Technology to eliminate Offset Electrical Potential, to achieve stable drive
  • Switchable Damping Factor, to dive diaphragm under the best conditions. (5 positions)
  • 1,400mA/ch (32 ohm loaded) of high output power to drive a high impedance headphones as high as 600 ohms
  • A Toroidal-Core Power Transformer for stable current supply
  • Full-metal jacket. Gorgeous aluminum panels for front top and sides. Small footprint fits your desktop
Main Features:
  • Full analogue circuit design
  • Discrete design Class-A Amplifier
  • Dual Monaural design
  • Active DC Servo technology
  • Dual MUSES8920 Op-amps for Left and Right channels
  • 1,400mW + 1,400mW Output Power (at 32 ohms)
  • Damping Factor Selector
  • Over-sized Toroidal-core Power Transformer
  • Full-metal Jacket, Rigid construction
  • A pair of XLR connectors by Neutrik for balanced audio input
  • 2 pair of RCA pin connectors for unbalanced audio input on rear (Gold-plated)
  • 1 stereo audio input on front (1/8" or 3.5mm Stereo Mini Jack)
  • 1 stereo headphone out on front (1/4" or 6.35mm Stereo Jack)
  • 1 pair of RCA pin connectors for stereo unbalanced audio output (Gold-plated)
  • Switchable output line level (Fixed, Variable, Off)
  • ±15V high voltage operation current achieved high S/N ratio
  • Precisely machined aluminum knobs (Volume, Input Selector, Damping Factor Selector)
  • Auto-muting when headphone plug is disconnected
  • A 3-polar AC socket with a detachable AC cable
Technical Specifications:
Audio Input
Balanced Input (Rear, XLR)
  • Connectors: XLR 3-31 Female (1: GND, 2: HOT, 3: COLD) 
  • Impedance: 20k ohms
  • Sensitivity: 2 Vrms
Line Input (Rear, LINE1, LINE2)
  • Connectors: RCA Pin Jack (Gold-plated)
  • Impedance: 10k ohms
  • Sensitivity: 1 Vrms
Auxiliary Input (Front, AUX)
  • Connectors: 1/8" (3.5mm) Stereo Mini Jack
  • Impedance: 13k ohms
  • Sensitivity: 0.5 Vrms
Audio Output
  • Headphone Output (Front)
  • Connectors: 1/4" (6.35mm) Stereo Jack
  • Supported Headphone Impedance: 16 – 600 ohms
  • Max Output Level: 1,400mW + 1,400mW (at 32 ohms) / 135mW + 135mW (at 600 ohms)
  • Rated Output Level: 600mW + 600mW (at 32 ohms) / 34mW + 34mW (at 600 ohms)
  • THD: 0.002% (Input 1V, Output 1V, at 32 ohms) / 0.01% (Input 1V, Output 600mW, at 32 ohms)
  • S/N Ratio: 110dB (RCA Input, 2Vrms 1kHz, A-weighted) 
  • Frequency Response: 2Hz – 100kHz (+0dB/-3dB) / 10Hz – 100kHz (±3dB)
Line Output (Rear)
  • Connectors: RCA Pin Jack (Gold-plated)
  • Impedance: 100 ohms
  • Output Level: 316 mV
  • Output Level Selector: Fixed, Variable, Off
  • Operation Power: 230V AC 50Hz
  • Power Consumption: 22W (Standby: 0W)
  • Operating Temerature: +5 ̊C to +35 ̊C / +41 ̊F to +95 ̊F
  • Operating Humidity: 5% to 85% (no condensation)
  • Storage Temerature: -20 ̊C to +55 ̊C / -4 ̊F to +131 ̊C
  • Overall Dimensions: 290 (W) x 81.2 (H) x 244 (D) mm, 11.4" (W) x 3.2" (H) x 9.6" (D)
  • Net Weight: 4.1kg, 9 lbs.
  • Accessories: AC Cable, AC Plug Adapter (3P-2P), Owner's Manual, Warranty Card

We endeavour to despatch same day for orders placed up to 2pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is recieved. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Free delivery also applies to the Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland but may take a day or so longer. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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